/Engine/Source/Editor/BlueprintGraph/Classes/EdGraphSchema_K2.h
Class used for creating type tree selection info, which aggregates the various PC_* and PinSubtypes in the schema into a heirarchy
class FPinTypeTreeInfo
bool
bReadOnly
Whether or not this pin type is selectable as an actual type, or is just a category, with some subtypes
TArray<TShared...
Children
The children of this pin type
FText
FriendlyName
Friendly display name of pin type; also used to see if it has subtypes
FText
Tooltip
Text for regular tooltip